From adc6eb10f79d1edf3df0d241557b7d23106b7cc6 Mon Sep 17 00:00:00 2001 From: Justin Pryzby Date: Sat, 20 Mar 2021 17:25:46 -0500 Subject: [PATCH v2 08/10] specially handle SET default_toast_compression=lz4 --- src/backend/access/common/toast_compression.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/backend/access/common/toast_compression.c b/src/backend/access/common/toast_compression.c index dd31a54b77..1617c382c2 100644 --- a/src/backend/access/common/toast_compression.c +++ b/src/backend/access/common/toast_compression.c @@ -304,6 +304,11 @@ check_default_toast_compression(char **newval, void **extra, GucSource source) errmsg("compression method \"%s\" does not exist", *newval))); } + else if (strcmp(*newval, "lz4") == 0) + { + GUC_check_errdetail("This functionality requires the server to be built with lz4 support."); + GUC_check_errhint("You need to rebuild PostgreSQL using --with-lz4."); + } else { GUC_check_errdetail("Compression method \"%s\" does not exist.", -- 2.17.0